Fennecbuild contains scripts and patches for the F-Droid flavor of Mozilla Firefox, supporting its packaging and build process.
Nightly
Firefox Nightly provides pre-release builds of the Firefox browser, letting users try upcoming browser changes before they reach the stable release.
About Nightly
Firefox Nightly is an unstable pre-release version of the Firefox browser for Android, iOS and desktop, offering access to the earliest stages of upcoming Firefox features before they are released to stable versions. It is designed as a testing and development platform, not for regular, stable daily browsing. It updates approximately once or twice daily, and by default sends usage data to Mozilla and occasionally its partners to support development and troubleshooting. Users can submit bug reports to help improve upcoming Firefox releases.
Key features
- Early access to earliest-stage upcoming Firefox features
- Approximately once or twice daily automatic updates
- Available for Android, iOS and desktop platforms
- Built-in bug reporting tool for issue submission
- Default data sharing with Mozilla and partners for development
Best for: Users who want to test the earliest versions of upcoming Firefox features and report issues to Mozilla.
Good for
- Provides early access to upcoming Firefox features before stable release
- Frequent automatic updates deliver latest pre-release changes quickly
- Includes built-in bug reporting tools to contribute to Firefox development
Watch out for
- Unstable testing platform that may have bugs or performance issues
- By default sends usage data to Mozilla and occasionally its partners
- Not intended for regular, stable daily browsing use
Nightly at a glance
- Website
- firefox.com/channel/android
- Category
- Mobile Apps › Android Apps
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Android, iOS, Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Nightly alternatives
Tools and sites you could use instead, ranked by how closely they match.
Paperize changes Android wallpapers dynamically while operating fully offline, letting users configure automatic wallpaper rotation.
Open source
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Nightly FAQ
How often does Firefox Nightly update?
It updates approximately once or twice per day.
Does Firefox Nightly share user data by default?
By default, it sends data to Mozilla and sometimes its partners to help handle problems and try ideas.
What is Firefox Nightly designed for?
It is an unstable testing and development platform for exploring the earliest stages of upcoming Firefox features.
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